package com.hspedu.modifier;

public class A {
    //写四个属性

    public int n1 = 100;
    protected int n2 = 200;
    int n3= 300;
    private int n4 = 400;
    public void m1(){
        //该方法可以访问四个属性
        System.out.println("n1 = " + n1+" n2 = " + n2+" n3 = " + n3+" n4 = " + n4);
    }

    protected void m2(){}
    void m3(){}
    private void m4(){}
    public void hi(){
        //在同一个类中，可以访问public protected 默认修饰符 private修饰的属性和方法
        m1();
        m2();
        m3();
        m4();
    }

}
